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Sound travels the fastest in which of these?
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
A giant wave in the ocean measures 30 meters from the top of the crest to the bottom of the trough. It also measures 100 meters from crest to crest. What is the amplitude of this wave?
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
You drop pebbles one after another into water and make waves. If you drop them less frequently, what happens to the wavelength of the waves?
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
The speed of a sound wave in air depends on __________
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
A pendulum oscillates 10 times in 20 seconds. What is the period of the pendulum?
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
The period of a wave is 10 seconds and its amplitude is 2m. What is the wave’s frequency?
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
The speed of sound in dry air at 20 degrees Celsius is 340 m/s. How far away is a jet plane when you notice a 3.5 second delay between seeing the plane and hearing it?
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
A sound wave has a wavelength of 10 m in a room that is cooled to 15oC. What is the speed of sound in that room?
Aluminum
It stays the same
15 m
340 m/s
1190 m
0.1 Hz
the temperature.
2 s
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